我们现在撇开美洲这个对偶制家庭的典型地区不谈吧.We now leave America, the classic soil of the pairing family.对偶体彼此相连于称为着丝粒的缩小的区域.The duplicates are attached to each other at a constricted region called the centromere.考察了加料顺序和相转移催化剂对偶联反应的影响.The ...
他说，“我对你有好感。”我当时的反应是，“你开玩笑的吧！”He said "I'm attracted to you." I'm like "You're kidding!"萨菲尔笔锋幽默，描写了自己没能博取总统好感的事。Safire writes hilariously of being banished from presidential favor.他对她很有好感。He felt well dispo...